New Equipment | Solder Materials
With a composition of 62% Tin / 36% Lead / 2% Silver, Kapp Electric Eutectic is a cost effective eutectic electrical/electronic solder where Lead is permissible. Silver increases the strength and vibration resistance of the joint in higher stress app
Electronics Forum | Wed Dec 13 09:42:44 EST 2000 | jacqueline
Hi there, Could someone please tell me diferences and possible benefits that are found when using silver as a pcb finish as opposed to HASL. I've already tried the archives without much luck. ta much, jack
Electronics Forum | Thu Jul 27 07:50:35 EDT 2006 | davef
Send us pix
Industry News | 2013-04-02 17:20:44.0
The SMTA is pleased to announce the program for the 2013 International Conference on Soldering and Reliability being held May 14-17 in Toronto, Ontario, Canada.
Industry News | 2013-06-26 09:09:19.0
The SMTA announced Harald Grumm from Christian Koenen GmbH as the recipient of the Best of Conference Award for his presentation “The Potential of Stencil Technology – Choosing the Right Stencil Options to Maximize Yield and Earnings” at the 9th Annual International Conference on Soldering and Reliability, held May 14-17, 2013 at the Sheraton Toronto Airport, Ontario, Canada.
Technical Library | 2013-07-18 12:12:40.0
Lead-free nanosolders have shown promise in nanowire and nanoelectronics assembly. Among various important parameters, melting is the most fundamental property affecting the assembly process. Here we report that the melting behavior of tin and tin/silver nanowires and nanorods can be significantly affected by the surface oxide of nanosolders.
Department of Chemical Engineering, University of Massachusetts
Technical Library | 2023-08-04 15:27:30.0
A designed experiment evaluated the influence of several variables on appearance and strength of Pb-free solder joints. Components, with leads finished with nickel-palladium-gold (NiPdAu), were used from Texas Instruments (TI) and two other integrated circuit suppliers. Pb-free solder paste used was tin-silver-copper (SnAgCu) alloy. Variables were printed wiring board (PWB) pad size/stencil aperture (the pad finish was consistent; electrolysis Ni/immersion Au), reflow atmosphere, reflow temperature, Pd thickness in the NiPdAu finish, and thermal aging. Height of solder wetting to component lead sides was measured for both ceramic plate and PWB soldering. A third response was solder joint strength; a "lead pull" test determined the maximum force needed to pull the component lead from the PWB. This paper presents a statistical analysis of the designed experiment. Reflow atmosphere and pad size/stencil aperture have the greatest contribution to the height of lead side wetting. Reflow temperature, palladium thickness, and preconditioning had very little impact on side-wetting height. For lead pull, variance in the data was relatively small and the factors tested had little impact.
Surface Mount Technology Association (SMTA) | https://www.smta.org/knowledge/proceedings_abstract.cfm?PROC_ID=5027
Effects of Cl2, NO2, Rh and Temperature on Accelerated Silver and Copper Corrosion in Mixed Flowing Gas Test 中文 MEMBERS LOGIN Membership Become a Member
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